Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarcrua@deltatechnicalservices.com; pct=100

Servidores DNS Principal (mname) y Secundario (rname)
host: alphabetacomp.com
class: IN
ttl: 1800
type: SOA
mname: blair.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2400225752
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: alphabetacomp.com
class: IN
ttl: 600
type: MX
pri: 20
target: alphabetacomp.com.2.0001.arsmtp.com

Servidor de Correo
host: alphabetacomp.com
class: IN
ttl: 600
type: MX
pri: 10
target: alphabetacomp.com.1.0001.arsmtp.com

Información TXT
host: alphabetacomp.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 mx a ip4:216.151.2.96/27   include:spf.protection.outlook.com -all
entries: Array